Other Network Architecture Subjects

how can i just garantie 50 autorized mac-address can be connected to catalyst 4500 (all ports), and deny all the others.

Hi,I want make trunk mode between two switch (Catalyst 2950 and Catalyst 2924XL)Here are the switchs configuration:!version 12.1no service padservice timestamps debug uptimeservice timestamps log uptimeno service password-encryption!hostname Cat2950!...

I am relatively new to multicasting, so bear with me. We have a client that has a pair of Checkpoint firewalls running in a HA cluster mode. It has been configured with a multicast mac address on each shared IP address. If we set the default gatew...

I am planning an IOS upgrade on a 6509 with dual sup720's. Current version 12.2(17) going to 12.2 (18).I am certain I have read that this can be done without taking down the switch (upgrade the standby, failover than upgrade the new standby). However...

I know... all the documentation states that the 6500 doesn't do IRB. So, how do I perform the following:I need to move a small portion of clients off of one vlan and onto another. The original IP address range was x.x.32.0/21. I need to move all o...

I am testing multicast forwarding under IPv6 using PIM and BGP. Two Cisco routers will exchange BGP IPv6 multicast route tables with each other, but a Cisco connected to an IXIA protocol tester will not. Without routes in the BGP multicast table, PIM...

Hi Folks,I have a scenarion with 2 IBM 8265 linked together and 2 C2924M with ATM Uplinks, serving as conversion from ATM to Ethernet.Eache of the 2924M has an FastEthernet Channel (2 ports) with one of the 2 C6509, and eache C6509 has an GigaEtherne...

Re-designing old hub network:- core switches = two 3550s with L2 HSRP (one is cluster command, the other a standby)- no Inter-VLAN routing configured (or necessary) at this time- all other switches are 2950sI don't want our main network (VLAN-42 whic...

Anyone know how you might support multicast with a switch that does not support mulitcast protocols? Or in other workds how can you do it with out enabling multicast protocols?

Hi,I have a 3750 switch wich is connected to a 3600 Cisco router with two redundant links.The layout is 3750 FE 1/0/1 connected to a 3600 ETH 0/0 and the FE 1/0/2 to ETH 0/1.A Pc is also connected to int 0/3 of the 3750 switch.In this model I used du...

Can you multicast on a CISCO 3750 without configuring or enabling PIM?

Hello group,I have come across a problem with a Catalyst 4006 (IOS 12.2-18.EW) and a HP server using teaming. When I have one of the Gigabit cards on the server connected to a Gigabit port on the switch, everything works fine. As soon as I connect th...

Currently the WAN consists of 4 main(core) sites SANDTON, CPT, DURBAN and PE. Below is a drawing of the core of the network. The problem is that if the SANDTON-DURBAN or SANDTON-CPT links fail then the SANDTON-PE link is over utilized. During norm...

256M Supervisor256M MSFC2Some versions require more than 32M bootflash. Sup2's only support 32M bootflash so the 64M PCMCIA is the only option. Correct?ThanksTom